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PA3FXO projects - Contains didimodes, antenna projects, DX info and lots more

UN DX Contest 2010 - The Kazakhstan Federation of Radio sport and Radio amateur (KFRR) and Ministry of Tourism and Sport of the Republic of Kazakhstan are announcing the First UN DX CONTEST All world-wide radio amateurs having the amateur radio licence are invited to participation. Contest period: 12.00 UTC 22 May – 12.00 UTC 23 May 2010 Bands: 160m, 80m, 40m, 20m, 15m, 10m. Modes: CW and SSB

3905 Century Club - The 3905 Century Club operates WAS and DX nets on 20,40,80,and 160 using SSB, CW, RTTY, and PSK modes.

The San Diego Six Shooters ham radio club Priority listing - The San Diego Six SHooters Amateur Radio Club, established in April 2001, is dedicated to promoting all modes of operation on the Six Meter Amateur Radio Band.

LU1HCO Julio - Links to programs for digital modes, in spanish

I5XWW Crispino Kits - Ham Radio Kits, soundcard interface for digimodes, usb CAT Interfaces, PA interface cables, connectors, DRM hardware and software, DRM converters

EME resources by DL4EBY - Several kinds of operational data needed for Amateur Radio moonbounce (EME, earth moon earth) communications, the technical challenge amongst the various propagation modes on VHF, UHF and microwaves

OK1TEH - Prague - Active station on VHF UHF and in particular in TROPO/ES/AURORA/MS/EME modes

Yahoo! Groups : MFSK - A mail list for those interested in the new Amateur Radio MFSK modes.

Quick and Dirty Guide to PSK31 - KB2EOQãs quick and dirty guide to the new digital modes, presented to CCAFMA October 23, 2000

Yaesu 920 & SoundCard - This circuit provides an interface between the Yaesu 920 transceiver and IBM computer sound card which allows data transfer and control of PSK31, RTTY, KEYBOARD CW, and SSTV modes for Amateur Radio

Australian Amateur Packet Radio Ass. - The AAPRA home page with a wealth of information about packet radio and related digital modes including an extensive software library that is updated frequently.

RTTY Fan Club - Everything you need about RTTY is here! Operating modes, contests, software, hardware, clubs, societies, propagation, links etc

RTTYINFO.net Priority listing - Complete resource for Rtty. PSK31 and digital modes, part of content comes from N1RCT, mantained by Bob, NT1V

SSTV for beginners - SSTV info for beginners also has links for other data modes psk31 etc and links of interest to radio amateurs

SM5BSZ VHF DXing - VHF long distance comunication, equipment and operating modes

VHF/UHF 2 meter PSK and digital Group - Looking for Hams that want to experiment on VHF/UHF PSK/digital modes

Yaesu FT-817 discussion group - Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.

WACARS  ^pop - The only ACARS software to feature in-line message decoding and aircraft tracking. ACARS Reception and Decoding Software For Windows

Digital Modes collection - RTTY SSTV PSK31 MFSK MT63 PACKET APRS and more...

SeaTTY RTTY/NAVTEX decoder - Program to receive weather reports and navigational warnings transmitted on longwave and shortwave bands in RTTY and NAVTEX modes. None additional hardware is required - your need only receiver and computer with a sound card.

IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).

Icom 756 Pro Page - Includes FAQ, operating aids and notes for digital modes use.

Build your hamcomm interface - This is the small easy to build interface that will allow you to receive most all the digital modes on you shortwave radio.

DSP-10 2-meter DSP transceiver - The DSP-10 is an amateur-radio, software-defined 2-meter transceiver that can be built at home. It operates not only on SSB, FM and CW, but also on four Weak-Signal modes. Features are tailored to operation on VHF, UHF and Microwave frequencies. By W7PUA